临床怀疑蛛网膜下腔出血应采用：（）A.增强扫描 B.平扫 C.快速CT扫描 D.螺旋

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) 、 (75) is another such technique that integrates data and process concerns into constructs called objects.

（71）应选（）。

A．Prototyping

B．Accelerated

C．Model-driven

D．Iterative

世界人口数量居前三位的国家是（　　）

A．中国、印度、美国

B．中国、美国、俄罗斯

C．中国、日本、美国

D．中国、日本、巴西

药物剂量为0.01-0.1g时可配成（）。

A、1：10倍散

B、1：100倍散

C、1：5倍散

D、1：1000倍散

塞班手机里如何查看系统使用情况？

市的形成最早是出于（）的需要。

A.商品制作

B.商品交换

C.农业发展

D.手工业发展